Issued Patents 1982
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366102 | Process for the preparation of chloroformic acid aryl esters | Gunter Rauchschwalbe, Karl Mannes, Dietmar Mayer | 1982-12-28 |
| 4359426 | Process for the production of aromatic isocyanates containing aromatically bound sulfochloride groups | Dieter Dieterich, Erich Wolters, Norbert Langenfeld | 1982-11-16 |
| 4350566 | Process for the delignification of lignocellulose materials with dinitroanthraquinones | Gunther Klag, Peter Schnegg | 1982-09-21 |
| 4349471 | Process for the preparation of aromatic sulphonic acid halides | Erich Wolters, Norbert Langenfeld | 1982-09-14 |
| 4348336 | Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acid | Horst Behre, Hans W. Linden | 1982-09-07 |
| 4345100 | Preparation of .alpha.-ketocarboxylic acid N-tert.-butylamides | Gerhard Bonse | 1982-08-17 |
| 4338261 | Process for the preparation of 1-naphthylamine-4,6-disulphonic acid and 1-naphthylamine-2,4,6-trisulphonic acid | Horst Behre, Hans W. Linden, Werner Mentzel | 1982-07-06 |
| 4328340 | Preparation of 4-amino-6-tert.-butyl-3-alkylthio-1,2,4-triazin-5-(4H)-ones | Gerhard Bonse, Hans Kratzer | 1982-05-04 |
| 4316862 | Process for the preparation of sulphonic acid chlorides | Wolfgang Schenk, Ferdinand Hagedorn, Werner Evertz | 1982-02-23 |
| 4314950 | Process for the preparation of sulphonic acid chlorides | Theodor Pfister, Wolfgang Schenk | 1982-02-09 |
| 4315094 | Preparation of 4-amino-6-tert.-butyl-3-alkylthio-1,2,4-triazin-5(4H)-one | Gerhard Bonse, Hans Kratzer | 1982-02-09 |